<!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initi
 al-scale=1.0">
 <title>this显式绑定实验</title>
 </head>
 <body>
    <script>
  var obj = {
 name: "gkd"
  };
  function foo() {
    console.log("foo函数:",this)
  }
  foo.call(obj);  
 foo.call(123);  
 foo.call("abc");  
   </script>
    </body>
    </html>